Ext.define('DeftQuickStart.view.MyPanel', {
	extend: 'Ext.panel.Panel',
	
	controller: "DeftQuickStart.controller.MainController",
	
	width: 300,
	title: "My panel",
	items: [
		{
			xtype: 'button',
			text: 'Click me!',
			itemId: 'myButton'
		}
	]
});